fix pk for sig
add sig for nft contract func
contract service init
swap case
swap contract caller
fix comments
fix comments
fix altstack copying data
Merge branch 'btm2.0' of https://github.com/Bytom/bytom into btm2.0_vm_statedata
Merge branch 'btm2.0' of https://github.com/Bytom/bytom into btm2.0_vm_statedata
fix comments:2d bytes compare
vm state data
fix vote output
fix merkleroot case
fix wallet case
skip intergration utxo case
fix estimate case
Merge branch 'btm2.0' of https://github.com/Bytom/bytom into btm2.0_vm_state_utxo
2d data for butxo state
butxo extend vm1
fix some txs utxo case
remove state for mux type
extend utxo struct && testcase with state data